7015 CE/HCP4ADBB
Hybrid Ceramic Super Precision Bearings
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Part No.
Part No.
7015 CE/HCP4ADBB
Basic Information
System of measurement
Metric
Weight
1.18 kg
Tolerance class
P4A
Seal type
Open
For load direction
Angular Contact
Main Dimensions
Bore diameter
75 mm
Bore diameter tolerance
-0.004mm to 0
Outside diameter
115 mm
Outside diameter tolerance
-0.004mm to 0
Width
40 mm
Width tolerance
-0.2mm to 0
Contact angle
15 °
Ball & Washer Dimensions
Ball diameter
9.525 mm
Ball quantity
26
Performance
Temperature range
- 30°C to 110 °C
Radial dynamic load rating
9518 lbf
Radial static load rating
9675 lbf
Limiting speed
24 X 1000 rpm
Lubrication
Lubricated
Matched arrangement
Duplex Back-to-Back (DB)
Number of bearings in matched set
2
Universal matching bearing
No (Standard)
Preload
Light / Class B
Materials
Ring material
Chrome Steel
Ball material
Ceramic
Cage material
Phenolic
Technical Drawings
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In Stock
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7015 CE/HCP4ADBB Bearing Product Overview & Core Advantages
The 7015 CE/HCP4ADBB is a precision duplex angular contact ball bearing designed for demanding applications requiring exceptional accuracy and rigidity. This matched bearing set features a Back-to-Back (DB) arrangement and a Light preload (Class B), enabling it to withstand combined loads (radial and axial) simultaneously while providing high running accuracy and system stability. Its construction with ceramic balls and a P4A tolerance class makes it ideal for high-speed operation and high-reliability scenarios where minimal thermal expansion and superior performance are critical.
7015 CE/HCP4ADBB Bearing Model Code Explained, Specifications & Naming Convention
| Suffix Code | Technical Meaning | Advantage |
|---|---|---|
| CE | High-precision, universal match bearing (implied by duplex set) | Ensures optimal performance and load sharing in the matched set. |
| HC | Hybrid Ceramic (Silicon Nitride balls) | Reduced weight, lower friction, higher speed capability, and extended service life. |
| P4A | High Precision Tolerance Class (superior to ABEC 7) | Guarantees extremely tight dimensional and running accuracy for precise applications. |
| DB | Duplex Back-to-Back arrangement | Provides high rigidity and can accommodate moment loads and bidirectional axial loads. |
7015 CE/HCP4ADBB Bearing Structural Features & Performance Benefits
- High Rigidity & Load Capacity: The duplex back-to-back (DB) arrangement creates a rigid bearing system that effectively resists moment loads and supports significant combined radial and axial loads. The 15° contact angle is optimized for axial load carrying capacity.
- Superior High-Speed Performance: The combination of ceramic balls (lower density, reduced centrifugal force) and a lightweight phenolic cage allows for a very high limiting speed of 24,000 rpm. This makes it an excellent high-speed bearing solution.
- Precision & Accuracy: Manufactured to a P4A tolerance class with tight dimensional controls on the bore diameter (75 mm), outside diameter (115 mm), and width (40 mm), ensuring predictable and precise performance in the application.
- Optimized for Performance: The light preload (Class B) eliminates internal clearance, reducing noise and vibration while increasing system stiffness from the moment of installation.
7015 CE/HCP4ADBB Bearing Typical Application Areas
This high-performance duplex angular contact ball bearing is engineered for advanced machinery and systems, including:
- Machine Tool Spindles: For high-speed milling, grinding, and turning centers requiring utmost precision and rigidity.
- High-Frequency Spindles: In PCB drilling and routing applications.
- Precision Robotics: Especially in robotic arm joints and gears where accuracy and responsiveness are critical.
- Advanced Pumps and Compressors: For applications demanding high rotational speeds and reliability.
